Home / 156,153.15-234,194.63-71,832.35

Finding the Fourth Proportional to 156,153.15, 234,194.63 and 71,832.35

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Solution

The fourth proportional to 156,153.15, 234,194.63 and 71,832.35 is: 107,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.15 : 234,194.63 = 71,832.35 : x
  2. Step 2: Convert to fraction form
    156,153.15/234,194.63 = 71,832.35/x
  3. Step 3: Cross multiply
    156,153.15x = 234,194.63 × 71,832.35
  4. Step 4: Simplify right side
    156,153.15x = 16,822,750,856.61
  5. Step 5: Solve for x
    x = 16,822,750,856.61/156,153.15
  6. Step 6: Final answer
    x = 107,732.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.